摘要： # 开发测试的理想模型 对于计算机行业来说，软件的开发和测试，永远有聊不完的话题。在整个软件开发过程中，无论你是一位开发工程师，还是一位测试工程师，都应该对软件质量负责，大家共同的目标是尽可能快速的交付一个可以正常工作的软件。但是在实际的开发活动中，往往又会碰到很多开发和测试的问题。 ## 软件交付 阅读全文

摘要： 大家都知道对于浮点数，计算机的存储是存在精度问题的，在做浮点数比较的时候，往往使用大于或者小于，很少使用等于号，但是在很多业务场景下，却很难避免相等的比较。由于浮点型的死区的存在，导致浮点数是无法使用等号进行比较的。浮点数存储的精度，就变成了“死区”。做不到是我们的技术问题，并不是用户的需求不合理。要解决死区的问题，首先要解决的就是精度问题。我们知道死区的存在，是因为浮点数在计算机中的存储是... 阅读全文

摘要： 自2015年底开始一直到2016年底，在这一年的时间里，我主要开展了两项工作：一，智能粮库业务管理系统；二、东北制药MES项目启动前的调研工作。其中东北制药MES项目将是一个延续性的工作，预计2017年将全年大部分时间都投入到东药MES项目中并同时兼顾粮库业务管理系统工作协调的任务。 从2015年8 阅读全文

摘要： Time Limit:2 Seconds Memory Limit:65536 KB Over the years, the people of the great city of Pittsburgh have repeatedly demonstrated a collective expertise at football second to none. Recently a... 阅读全文

摘要： ZOJ Problem Set - 1088System OverloadTime Limit:10 Seconds Memory Limit:32768 KBRecently you must have experienced that when too many people use the BBS simultaneously, the net becomes very, very slow.To put an end to this problem, the Sysop has developed a contingency scheme for times of peak load 阅读全文

摘要： Time Limit:1 Second Memory Limit:32768 KBDo you know second-price auction? It's very simple but famous. In a second-price auction, each potential buyer privately submits, perhaps in a sealed envelope or over a secure connection, his (or her) bid for the object to the auctioneer. After receiving 阅读全文

摘要： 最近状态不好，不知道该怎么调整；以前看到技术文档会津津有味的看下去，现在看到技术文档，只会反反复复对着一段发呆。不知道我是怎么了，难道我是该找一些编码的任务来做吗？也许那样能找回原来的状态吗？ 以前觉得前途一片光明，现在只看到了一片迷茫。人长大了，越长越迷茫了。职业要怎么规划，也许只有自己创业才是最好的出路，无论做什么，成败勿论，尝试过，才知道其中的道理。但是我又怕是我想的太简单了，这个世界远比... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KBA large field has a dog and a gopher. The dog wants to eat the gopher, while the gopher wants to run to safety through one of several gopher holes dug in the surface of the field. Neither the dog nor the gopher is a math major; however, neither is entirely 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Find and list all four-digit numbers in decimal notation that have the property that the sum of its four digits equals the sum of its digits when r... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Zombies love to eat brains. Yum. Input The first line contains a single integer n indicating the number of data sets. The following n lines each... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Bill and Ted are taking a road trip. But the odometer in their car is broken, so they don't know how many miles they have driven. Fortunately, Bill... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB The highest building in our city has only one elevator. A request list is made up with N positive numbers. The numbers denote at which floors the e... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Contest time again! How excited it is to see balloons floating around. But to tell you a secret, the judges' favorite time is guessing the most pop... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB You have devised a new encryption technique which encodes a message by inserting between its characters randomly generated strings in a clever way. B... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Children are taught to add multi-digit numbers from right-to-left one digit at a time. Many find the "carry" operation - in which a 1 is carried fr... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB A boolean matrix has the parity property when each row and each column has an even sum, i.e. contains an even number of bits which are set. Here's a ... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB In 1742, Christian Goldbach, a German amateur mathematician, sent a letter to Leonhard Euler in which he made the following conjecture: Every even n... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB There are another kind of Fibonacci numbers: F(0) = 7, F(1) = 11, F(n) = F(n-1) + F(n-2) (n>=2) Input Input consists of a sequence of lines, each... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Statement of the Problem We say that a number is a palindrom if it is the sane when read from left to right or from right to left. For example, the... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB A common typing error is to place the hands on the keyboard one row to the right of the correct position. So "Q" is typed as "W" and "J" is typed... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB A Fibonacci sequence is calculated by adding the previous two members of the sequence, with the first two members being both 1. f(1) = 1, f(2) = 1, ... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB A sequence of n > 0 integers is called a jolly jumper if the absolute values of the difference between successive elements take on all the values 1 t... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Soundex coding groups together words that appear to sound alike based on their spelling. For example, "can" and "khawn", "con" and "gone" would be eq... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Most bicycle speedometers work by using a Hall Effect sensor fastened to the front fork of the bicycle. A magnet is attached to one of the spokes on ... 阅读全文

摘要： Time Limit: 2 Seconds Memory Limit: 65536 KB Ms. Terry is a pre-school art teacher who likes to have her students work with clay. One of her assignments is to form a lump of clay into a block an... 阅读全文